Re: [PATCH v10 1/3] mfd: add support for Diolan DLN-2 devices

[Octavian Purdila]

On Wed, Nov 5, 2014 at 7:11 PM, Johan Hovold <johan@xxxxxxxxxx> wrote:
> On Wed, Nov 05, 2014 at 07:04:59PM +0200, Octavian Purdila wrote:
>> This patch implements the USB part of the Diolan USB-I2C/SPI/GPIO
>> Master Adapter DLN-2. Details about the device can be found here:
>>
>> https://www.diolan.com/i2c/i2c_interface.html.
>>
>> Information about the USB protocol can be found in the Programmer's
>> Reference Manual [1], see section 1.7.
>>
>> Because the hardware has a single transmit endpoint and a single
>> receive endpoint the communication between the various DLN2 drivers
>> and the hardware will be muxed/demuxed by this driver.
>>
>> Each DLN2 module will be identified by the handle field within the DLN2
>> message header. If a DLN2 module issues multiple commands in parallel
>> they will be identified by the echo counter field in the message header.
>>
>> The DLN2 modules can use the dln2_transfer() function to issue a
>> command and wait for its response. They can also register a callback
>> that is going to be called when a specific event id is generated by
>> the device (e.g. GPIO interrupts). The device uses handle 0 for
>> sending events.
>>
>> [1] https://www.diolan.com/downloads/dln-api-manual.pdf
>>
>> Signed-off-by: Octavian Purdila <octavian.purdila@xxxxxxxxx>
>
> Reviewed-by: Johan Hovold <johan@xxxxxxxxxx>
>
> Just noticed checkpatch complains about two typos in the header file
> (since v9?). ;)
>

Ah nice new checkpatch feature, I used checkpath before rebasing the
tree and missed those. I will fix the typos and submit v11 with your
review-by tags. Thanks a lot for your awesome reviews Johan !
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